+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief A lightweight wrapper around pset to store IR nodes.
+ * @author Michael Beck
+ * @version $Id$
+ *
+ * In some algorithms we want a more deterministic behavior
+ * which the pset_ptr did not guarantee due to it's hash function
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include "benodesets.h"
#include "irnode_t.h"